The suspect in the New Orleans attack was interviewed by a journalist back in 2015. The reporter said the suspect, Shamsud-Din Jabbar, gave "no red flags." Keenan told CNN his "head was spinning" when he found out. "What little I remember about that interview was a very cool, calm and collected guy," Keenan told CNN. AdvertisementReflecting on his old interview, Keenan told CNN he is "still processing it all."

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Persons: Din Jabbar, Jabbar, Sean Keenan, Keenan, you've, Chris Pousson, Jabbar's, Pousson Organizations: Army, FBI, New York Times, Georgia State University's, CNN, Georgia State University, Times, Army Reserve, Police, Ford, Air Force, Facebook Locations: New Orleans, Afghanistan